Base | Representation |
---|---|
bin | 111011101001001… |
… | …1101111101011111 |
3 | 12011110212002122220 |
4 | 1313102131331133 |
5 | 13044320030030 |
6 | 530331240423 |
7 | 100411011246 |
oct | 16722357537 |
9 | 5143762586 |
10 | 2001330015 |
11 | 937775953 |
12 | 47a2a9113 |
13 | 25b821859 |
14 | 14db2395d |
15 | baa76a10 |
hex | 7749df5f |
2001330015 has 32 divisors (see below), whose sum is σ = 3395748096. Its totient is φ = 1003031040.
The previous prime is 2001330011. The next prime is 2001330031. The reversal of 2001330015 is 5100331002.
It is a happy number.
It is not a de Polignac number, because 2001330015 - 22 = 2001330011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2001329976 and 2001330003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2001330011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168420 + ... + 179910.
It is an arithmetic number, because the mean of its divisors is an integer number (106117128).
Almost surely, 22001330015 is an apocalyptic number.
2001330015 is a deficient number, since it is larger than the sum of its proper divisors (1394418081).
2001330015 is a wasteful number, since it uses less digits than its factorization.
2001330015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12199.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 2001330015 is about 44736.2270984043. The cubic root of 2001330015 is about 1260.2002736579.
Adding to 2001330015 its reverse (5100331002), we get a palindrome (7101661017).
The spelling of 2001330015 in words is "two billion, one million, three hundred thirty thousand, fifteen".
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